public void initialize(Configuration conf, int reducerId) { int numFiles = FileNames.values().length; writers = new HDFSCSVWriter[numFiles]; for (int i = 0; i < numFiles; ++i) { writers[i] = new HDFSCSVWriter( conf.get("ldbc.snb.datagen.serializer.socialNetworkDir"), FileNames.values()[i].toString() + "_" + reducerId, conf.getInt("ldbc.snb.datagen.numPartitions", 1), conf.getBoolean("ldbc.snb.datagen.serializer.compressed", false), "|", true); } ArrayList<String> arguments = new ArrayList<String>(); arguments.add("id"); arguments.add("nickname"); writers[FileNames.PERSON.ordinal()].writeEntry(arguments); arguments.clear(); arguments.add("User.id"); arguments.add("User.id"); writers[FileNames.PERSON_KNOWS_PERSON.ordinal()].writeEntry(arguments); arguments.clear(); }
@Override protected void serialize(Person p) { ArrayList<String> arguments = new ArrayList<String>(); arguments.add(Long.toString(p.accountId())); arguments.add(p.firstName() + " " + p.lastName()); writers[FileNames.PERSON.ordinal()].writeEntry(arguments); }